Is the given conjecture a valid rule for the following sequence? If not, give a counterexample. Sequence: 1, 2, 3, 6, 18, 108, ... Conjecture: Multiply the previous 2 terms to get the next term. A. Yes, the rule holds. B. No; 3 is a counterexample. C. No; 6 is a counterexample. D. No; 108 is a counterexample.